81101312

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 173238912

約数和(自身を除く): 92137600

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 97, 128, 142, 184, 194, 256, 284, 368, 388, 512, 568, 736, 776, 1136, 1472, 1552, 1633, 2231, 2272, 2944, 3104, 3266, 4462, 4544, 5888, 6208, 6532, 6887, 8924, 9088, 11776, 12416, 13064, 13774, 17848, 18176, 24832, 26128, 27548, 35696, 36352, 49664, 52256, 55096, 71392, 104512, 110192, 142784, 158401, 209024, 220384, 285568, 316802, 418048, 440768, 571136, 633604, 836096, 881536, 1142272, 1267208, 1763072, 2534416, 3526144, 5068832, 10137664, 20275328, 40550656, 81101312]

約数ペア:

[(1, 81101312), (2, 40550656), (4, 20275328), (8, 10137664), (16, 5068832), (23, 3526144), (32, 2534416), (46, 1763072), (64, 1267208), (71, 1142272), (92, 881536), (97, 836096), (128, 633604), (142, 571136), (184, 440768), (194, 418048), (256, 316802), (284, 285568), (368, 220384), (388, 209024), (512, 158401), (568, 142784), (736, 110192), (776, 104512), (1136, 71392), (1472, 55096), (1552, 52256), (1633, 49664), (2231, 36352), (2272, 35696), (2944, 27548), (3104, 26128), (3266, 24832), (4462, 18176), (4544, 17848), (5888, 13774), (6208, 13064), (6532, 12416), (6887, 11776), (8924, 9088)]